Severe Immune-Related Hepatitis and Myocarditis Caused by PD-1 Inhibitors in the Treatment of Triple-Negative Breast Cancer: A Case Report

This case report describes two severe immune-related adverse events in a postoperative recurrent triple-negative breast cancer patient after receiving chemotherapy combined with PD-1 inhibitors. This case illustrates toxicities caused by immune checkpoint inhibitors, which suggests more attention should be paid to early prevention, early diagnosis, and appropriate management of immune-related adverse events. Multidisciplinary discussions should be undertaken to improve patient prognosis.